Home / 9,813.84-14,688.36-6,118.80

Finding the Fourth Proportional to 9,813.84, 14,688.36 and 6,118.80

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Solution

The fourth proportional to 9,813.84, 14,688.36 and 6,118.80 is: 9,158.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.84 : 14,688.36 = 6,118.80 : x
  2. Step 2: Convert to fraction form
    9,813.84/14,688.36 = 6,118.80/x
  3. Step 3: Cross multiply
    9,813.84x = 14,688.36 × 6,118.80
  4. Step 4: Simplify right side
    9,813.84x = 89,875,137.17
  5. Step 5: Solve for x
    x = 89,875,137.17/9,813.84
  6. Step 6: Final answer
    x = 9,158.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.